Cozumel, Quintana Roo — A team of speleologists and scientists has documented Cueva Popotitos, a previously uncharted underwater cave system south of Cozumel, marking the first scientific record of the site. The network of flooded passages is now the subject of ongoing exploration and study.
The cave reaches depths of more than 10 meters so far and is notable for holding mostly freshwater. On its ceilings, researchers identified mineral formations known as soda straws — thin calcite structures that grow downward like small drinking straws.
Speleologist Germán Yañez said work is continuing to map passages that remain unexplored, as well as to analyze the characteristics and properties of the water running through the subterranean system.
The exploration also aims to determine whether Popotitos connects to other ecosystems on the island. One hypothesis under consideration is that the system may have underground links to emblematic areas such as Laguna Colombia, though that possibility still requires further investigation and confirmation.
The discovery opens a new window for studying Cozumel’s water resources and geological history as specialists push deeper into the flooded labyrinth to learn how far it extends and what else lies beneath the surface.
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